Federal Reserve chair Jerome Powell is scheduled to speak at the central bank's annual Jackson Hole Symposium on Friday, an event that could be a major test of the stock market's post-"Liberation Day" rally.

Financial markets are taking in a collective breath ahead of Jerome Powell's eighth and final keynote Jackson Hole speech as Federal Reserve Chair. If the moves following his last seven are any guide,

Investors expecting to hear Federal Reserve Chair Jerome Powell give guidance Friday about the central bank's September meeting may be in for a letdown. This is because Powell will want to keep his options open in his speech in Jackson Hole,